Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.7 / 1.7 Ratio - Full Roller - Edelbrock RPM XT / Dart 24 Degree Pro 1 Heads - Big Block Chevy (Set of 16) MPI-QR-R1-56-BT MPD Torque Balls

MPD Torque Balls

hex head for barring engine

Improves power throughput

3/8" Hose Barb Inlet

Jesel Pro Series Aluminum Shaft Mount Roller Rocker Arm Kit - 1.7 / 1.7 Ratio - Full Roller - Edelbrock RPM XT / Dart 24 Degree Pro 1 Heads - Big Block Chevy (Set of 16) MPI-QR-R1-56-BT MPD Torque BallsProduct Description: Rocker Arm Pro Series Shaft Mount 1. 7 1. 7 Ratio Full Roller Aluminum Natural Edelbrock RPM XT Dart 24 Degree Pro 1 Heads Big Block Chevy Set of 16 Dan Jesel realized early on that the success and demand for his high end valvetrain components was in part dependent on huge valve lifts, unheard of spring pressures and rpm that most thought was impossible. So he started on a 10 year quest to perfect the roller lifter. After nearly